Home / 12,573,580.64-18,860,502.72-10,065,181.28

Finding the Fourth Proportional to 12,573,580.64, 18,860,502.72 and 10,065,181.28

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Solution

The fourth proportional to 12,573,580.64, 18,860,502.72 and 10,065,181.28 is: 15,097,877.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,573,580.64 : 18,860,502.72 = 10,065,181.28 : x
  2. Step 2: Convert to fraction form
    12,573,580.64/18,860,502.72 = 10,065,181.28/x
  3. Step 3: Cross multiply
    12,573,580.64x = 18,860,502.72 × 10,065,181.28
  4. Step 4: Simplify right side
    12,573,580.64x = 189,834,378,908,733.06
  5. Step 5: Solve for x
    x = 189,834,378,908,733.06/12,573,580.64
  6. Step 6: Final answer
    x = 15,097,877.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.